Guess who's coming to OVO?

Last night, Wiz Khalifa brought Drake onstage during his Molson Amphitheatre show. It was a slice of sweet summer nostalgia. You see, there was a time in the not-too-distant past when the Toronto stop of nearly every major tour featured a "surprise" appearance by Drizzy.

Rihanna at the ACC, June 2011. Lil Wayne at the Molson Amphitheatre, August 2011. Britney Spears/Nicki Minaj at the ACC, August 2011.

The list goes on.

There came a point that summer when a Drake cameo wasn't just anticipated, it was expected. Even at smaller shows, rappers couldn't even mention his name in passing because everyone would lose their shit thinking he was in the building. You half expected him at your cousin's wedding who grew up in Forest Hill, 'cause, you know, they went to the same high school.

But that dried up. Aside from an appearance at a Bun B show in May - after the Raptors' excruciating Game 7 loss - he's been keeping a lower profile.

But on Tuesday, five nights before OVO Fest kicks off, the pride of Pittsburgh yanked T.Dot's very own onstage for Started From The Bottom and Trophies during the Toronto stop of his annual Under the Influence of Music Tour. By all reports, Wiz got overshadowed. Oh well.

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It begs the question: Will Wiz return the favour? I think, probably. Under the Influence has a day off on Monday, which would allow him to jet in. And if Wiz appears, that means the rest of his tourmates could, too. I don't think Drake is going to bring on fellow TV star-cum-musician Mack Wilds (not ready yet), but Rich Homie Quan is a possibility simply on the strength of his single Type Of Way. Jeezy and Ty$ could also make the cut. Though none of those three artists are on the level of fame we're used to (they're not A$AP Rockies or Miguels or Big Seans).

Looking at who's playing Osheaga in Montreal can also be a good barometer. Of the rappers, Pusha T would be the most exciting. He exploded this year, and hasn't shown up at OVO before (that I know of). Drake and Pusha did have a beef at some point, but according to the internet, Drake's had a beef with everyone at some point. Childish Gambino and Danny Brown could be maybes, too. And I have a strong feeling J. Cole will make an appearance (the two have worked together a lot, plus Cole's bestie/labelmate Bas told me he was going to be in town for the fest).

Could two of the songs Drake released in the past year be clues? The titular superstars of Girls Love Beyoncé and Wu-Tang Forever would be great additions. (Beyoncé's On The Run tour has a night off Monday, too. Just sayin'.)

But other than Sunday headliners OutKast, it's all purely speculation. And if Drake wants to top 2013's mind-blasting lineup (Diddy and Mase, TLC, Kanye West), he's gonna have to call in some pretty big favours. Come on, Drake. Make us proud.